*{
    margin: 0;
    padding: 0;
}

ul{
    list-style: none;
}

.wrap{
    width: 1200px;
    margin: 0 auto;
}

.header{
    margin: 30px auto;
    height: 42px;
}

.header .logo{
    float: left;
    margin-right: 70px;
    width: 196px;
    height: 42px;
}

.header .nav{
    float: left;
}

.nav li{
    float: left;
}

.nav li a{
    display: block;
    margin-right: 20px;
    padding: 0 10px;
    height: 42px;
    line-height: 42px;
    color: #050505;
    font-size: 18px;
    text-decoration: none;
}

.nav li a:hover{
    border-bottom: 2px solid #00a4ff;
}

.search{
    float: left;
    margin-left: 70px;
    height: 42px;
}

.search input{
    float: left;
    width: 340px;
    height: 40px;
    padding-left: 20px;
    border: 1px solid #00a4ff;
    color: #bfbfbf;
}

.search button{
    float: left;
    width: 50px;
    height: 42px;
    border: none;
    background: url(images/btn.png);
}

.user{
    float: left;
    margin-left: 30px;
    height: 42px;
}
